S
M
T
W
T
F
S
26
77°
55°
27
70°
48°
28
66°
46°
29
81°
59°
30
77°
57°
1
64°
52°
2
64°
43°
3
70°
34°
4
79°
37°
5
77°
46°
6
72°
59°
7
79°
48°
8
70°
45°
9
73°
46°
10
81°
52°
11
72°
54°
12
70°
45°
13
77°
41°
14
72°
48°
15
73°
36°
16
82°
46°
17
88°
55°
18
88°
61°
19
90°
59°
20
90°
57°
21
86°
64°
22
68°
59°
23
61°
55°
24
68°
59°
25
79°
64°
26
77°
63°
27
80°
61°
28
82°
62°
29
76°
66°
30
69°
62°
31
68°
58°
1
70°
55°
2
73°
58°
3
74°
59°
4
76°
60°
5
75°
63°
6
76°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Marion
West Marion's May 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 55° and 66°. The average high for May is 75° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in West Marion. See also: June | July | August.